Inkjet-Printed Carbon Nanotubes for Fabricating a Spoof Fingerprint on Paper
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Authors
Soum, Veasna
Park, Sooyoung
Brilian, Albertus Ivan
Kim, Yunpyo
Ryu, Madeline
Brazell, Taler
Burpo, Fred J.
Parker, Kevin Kit
Kwon, Oh-Sun
Shin, Kwanwoo
Issue Date
2019
Type
journal-article
Language
Keywords
Carbon nanotubes , Electrical properties , Inkjet printing , Sensors
Alternative Title
Abstract
A spoof fingerprint was fabricated on paper and applied for a spoofing attack to unlock a smartphone on which a capacitive array of sensors had been embedded with a fingerprint recognition algorithm. Using an inkjet printer with an ink made of carbon nanotubes (CNTs), we printed a spoof fingerprint having an electrical and geometric pattern of ridges and furrows comparable to that of the real fingerprint. With this printed spoof fingerprint, we were able to unlock a smartphone successfully; this was due to the good quality of the printed CNT material, which provided electrical conductivities and structural patterns similar to those of the real fingerprint. This result confirms that inkjet-printing CNTs to fabricate a spoof fingerprint on paper is an easy, simple spoofing route from the real fingerprint and suggests a new method for outputting the physical ridges and furrows on a two-dimensional plane.
Description
Citation
Soum et al., "Inkjet-Printed Carbon Nanotubes for Fabricating a Spoof Fingerprint on Paper."
Publisher
ACS Omega
License
Journal
Volume
Issue
PubMed ID
ISSN
2470-1343
2470-1343
2470-1343